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        1. The work is too hard for him. He__________ finish it on time.
          A.can'tB.mustn'tC.shouldn'tD.needn't
          A
          情態(tài)動(dòng)詞的考察 句意為“這工作對(duì)他來說太難。他不可能按時(shí)完成”。 can't 用在否定句中表示“不可能”; mustn't“絕對(duì)不能,禁止”; shouldn't “不應(yīng)該”needn't“不必”
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